What is the difference between a homogenous mixture and a heterogenous mixture? Please also provide 5 examples

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

If you want to create an electrical current, which situation would produce a solution capable of this

Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)